/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    align-items: center;
    justify-content: center;
    z-index: var(--z-index-max);
    backdrop-filter: blur(5px);
    will-change: backdrop-filter;
}

.loading-overlay:not(.hidden) {
    display: flex;
}

.loading-content {
    text-align: center;
    color: #00ff88;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(0, 255, 136, 0.3);
    border-top: 3px solid #00ff88;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
    will-change: transform;
}

.loading-text {
    font-size: 1.2rem;
    font-weight: 500;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Typing Animation */
.typing {
    overflow: hidden;
    border-right: 2px solid #00ff88;
    white-space: nowrap;
    animation: typing 2s steps(40, end), blink-caret 0.75s step-end infinite;
    will-change: width, border-color;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: #00ff88; }
}